JEE Main 202228 JuneEvening Shift

Exam: JEE Main
Year: 2022
Date: 28 June
Shift: Evening Shift
Subject: Chemistry
Chapter: Alcohols Phenols and Ethers

JEE Main 2022 · 28 June · Evening Shift · Chemistry · Alcohols Phenols and Ethers

The major product P of the given reaction is (where, Me is - CH _ 3...

The major product $P$ of the given reaction is (where, $Me$ is $- {CH}_{3}$ )

The major product P of the given reaction is (where, Me is - CH _ 3 )

Options

A $At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^ -1 . The conductance of same$
B $At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^ -1 . The conductance of same$
C $At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^ -1 . The conductance of same$
D $At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^ -1 . The conductance of same$

Correct answer

C. $At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^ -1 . The conductance of same$

Step-by-step solution

Dehydration of alcohols involves the formation of carbocation intermediate and this carbocation rearrange to form more stable carbocation which looses proton to form a more stable alkene.

In the following dehydration reaction also initially a secondary carbocation is formed which undergoes methyl shift to form a more stable tertiary carbocation which looses proton to form a stable alkene.

The major product P of the given reaction is (where, Me is - CH _ 3 )

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